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Commit 6e5f468a authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont
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Fix a bunch of bugs I added, and simplify some stuff

parent 1706407b
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Showing with 44 additions and 30 deletions
modules/stream_out/rtsp.c
View file @ 6e5f468a
/*****************************************************************************
* rtsp.c: RTSP support for RTP stream output module
*****************************************************************************
* Copyright (C) 2003-2007 the VideoLAN team
* Copyright (C) 2003-2004 the VideoLAN team
* Copyright © 2007 Rémi Denis-Courmont
*
* $Id: rtp.c 21407 2007-08-22 20:10:41Z courmisch $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
......@@ -31,6 +33,8 @@
#include <vlc_url.h>
#include <vlc_network.h>
#include <assert.h>
#include <errno.h>
#include <stdlib.h>
#include "rtp.h"
......@@ -51,11 +55,11 @@ struct rtsp_stream_t
static int RtspCallback( httpd_callback_sys_t *p_args,
httpd_client_t *cl,
httpd_message_t *answer, httpd_message_t *query );
httpd_client_t *cl, httpd_message_t *answer,
const httpd_message_t *query );
static int RtspCallbackId( httpd_callback_sys_t *p_args,
httpd_client_t *cl,
httpd_message_t *answer, httpd_message_t *query );
httpd_client_t *cl, httpd_message_t *answer,
const httpd_message_t *query );
static void RtspClientDel( rtsp_stream_t *rtsp, rtsp_session_t *session );
rtsp_stream_t *RtspSetup( sout_stream_t *p_stream, const vlc_url_t *url )
......@@ -140,12 +144,11 @@ typedef struct rtsp_strack_t rtsp_strack_t;
struct rtsp_session_t
{
rtsp_stream_t *stream;
uint64_t id;
/* output (id-access) */
int trackc;
rtsp_strack_t *trackv;
char name[0];
};
......@@ -229,14 +232,16 @@ void RtspDelId( rtsp_stream_t *rtsp, rtsp_stream_id_t *id )
/** rtsp must be locked */
static
rtsp_session_t *RtspClientNew( rtsp_stream_t *rtsp, const char *name )
rtsp_session_t *RtspClientNew( rtsp_stream_t *rtsp )
{
rtsp_session_t *s = malloc( sizeof( *s ) + strlen( name ) + 1 );
rtsp_session_t *s = malloc( sizeof( *s ) );
if( s == NULL )
return NULL;
s->stream = rtsp;
s->id = rand(); /* FIXME: not enough entropy */
s->trackc = 0;
s->trackv = NULL;
strcpy( s->name, name );
TAB_APPEND( rtsp->sessionc, rtsp->sessionv, s );
......@@ -248,15 +253,22 @@ rtsp_session_t *RtspClientNew( rtsp_stream_t *rtsp, const char *name )
static
rtsp_session_t *RtspClientGet( rtsp_stream_t *rtsp, const char *name )
{
char *end;
uint64_t id;
int i;
if( name == NULL )
return NULL;
errno = 0;
id = strtoull( name, &end, 0x10 );
if( errno || *end )
return NULL;
/* FIXME: use a hash/dictionary */
for( i = 0; i < rtsp->sessionc; i++ )
{
if( !strcmp( rtsp->sessionv[i]->name, name ) )
if( rtsp->sessionv[i]->id == id )
return rtsp->sessionv[i];
}
return NULL;
......@@ -284,7 +296,8 @@ void RtspClientDel( rtsp_stream_t *rtsp, rtsp_session_t *session )
/** Aggregate RTSP callback */
static int RtspCallback( httpd_callback_sys_t *p_args,
httpd_client_t *cl,
httpd_message_t *answer, httpd_message_t *query )
httpd_message_t *answer,
const httpd_message_t *query )
{
rtsp_stream_t *rtsp = (rtsp_stream_t *)p_args;
const char *psz_session = NULL, *psz;
......@@ -304,7 +317,7 @@ static int RtspCallback( httpd_callback_sys_t *p_args,
if( httpd_MsgGet( query, "Require" ) != NULL )
{
answer->i_status = 551;
httpd_MsgAdd( query, "Unsupported", "%s",
httpd_MsgAdd( answer, "Unsupported", "%s",
httpd_MsgGet( query, "Require" ) );
}
else
......@@ -432,17 +445,17 @@ static inline const char *parameter_next( const char *str )
/** Non-aggregate RTSP callback */
static int RtspCallbackId( httpd_callback_sys_t *p_args,
httpd_client_t *cl,
httpd_message_t *answer, httpd_message_t *query )
httpd_message_t *answer,
const httpd_message_t *query )
{
rtsp_stream_id_t *id = (rtsp_stream_id_t *)p_args;
rtsp_stream_t *rtsp = id->stream;
sout_stream_t *p_stream = id->stream->owner;
char psz_session_init[21];
char psz_sesbuf[17];
const char *psz_session, *psz;
if( answer == NULL || query == NULL )
return VLC_SUCCESS;
//fprintf( stderr, "RtspCallback query: type=%d\n", query->i_type );
/* */
answer->i_proto = HTTPD_PROTO_RTSP;
......@@ -451,19 +464,12 @@ static int RtspCallbackId( httpd_callback_sys_t *p_args,
answer->i_body = 0;
answer->p_body = NULL;
/* Create new session ID if needed */
psz_session = httpd_MsgGet( query, "Session" );
if( psz_session == NULL )
{
/* FIXME: should be somewhat secure randomness */
snprintf( psz_session_init, sizeof(psz_session_init), I64Fu,
NTPtime64() + rand() );
}
if( httpd_MsgGet( query, "Require" ) != NULL )
{
answer->i_status = 551;
httpd_MsgAdd( query, "Unsupported", "%s",
httpd_MsgAdd( answer, "Unsupported", "%s",
httpd_MsgGet( query, "Require" ) );
}
else
......@@ -515,19 +521,25 @@ static int RtspCallbackId( httpd_callback_sys_t *p_args,
}
}
else
if( strncmp( opt,"destination=", 12 ) == 0 )
{
answer->i_status = 403;
b_unsupp = VLC_TRUE;
}
else
{
/*
* Every other option is unsupported:
*
* "source" and "append" are invalid.
* "source" and "append" are invalid (server-only);
* "ssrc" also (as clarified per RFC2326bis).
*
* For multicast, "port", "layers", "ttl" are set by the
* stream output configuration.
*
* For unicast, we do not allow "destination" as it
* carries a DoS risk, and we decide on "server_port".
* For unicast, we want to decide "server_port" values.
*
* "interleaved" and "ssrc" are not implemented.
* "interleaved" is not implemented.
*/
b_unsupp = VLC_TRUE;
break;
......@@ -585,8 +597,10 @@ static int RtspCallbackId( httpd_callback_sys_t *p_args,
vlc_mutex_lock( &rtsp->lock );
if( psz_session == NULL )
{
psz_session = psz_session_init;
ses = RtspClientNew( rtsp, psz_session );
ses = RtspClientNew( rtsp );
snprintf( psz_sesbuf, sizeof( psz_sesbuf ), I64Fx,
ses->id );
psz_session = psz_sesbuf;
}
else
{
......
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